diff --git a/Gemfile.lock b/Gemfile.lock
index c045664..a123e23 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -101,7 +101,7 @@ GEM
     minitest (5.14.0)
     msgpack (1.3.3)
     nio4r (2.5.2)
-    nokogiri (1.10.7)
+    nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     passenger (6.0.4)
       rack